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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jan Nishimoto

Bib: 21208 •F •Age: N/A

HI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 46%
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
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Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:28
3.11 mi
Rank: #18219
Start → 5K
25:28 | 8:12/mi
10K
51:12
6.21 mi
Rank: #18647 (-428)
5K → 10K
25:44 | 8:17/mi
15K
1:16:57
9.32 mi
Rank: #18740 (-93)
10K → 15K
25:45 | 8:18/mi
20K
1:43:20
12.43 mi
Rank: #18851 (-111)
15K → 20K
26:23 | 8:30/mi
HALF
1:49:03
13.11 mi
Rank: #18890 (-39)
20K → HALF
5:43 | 8:24/mi
25K
2:09:51
15.53 mi
Rank: #18898 (-8)
HALF → 25K
20:48 | 8:35/mi
30K
2:37:21
18.64 mi
Rank: #18839 (+59)
25K → 30K
27:30 | 8:52/mi
20M
2:49:40
20.00 mi
Rank: #18871 (-32)
30K → 20M
12:19 | 9:05/mi
21M
2:59:06
21.00 mi
Rank: #18844 (+27)
20M → 21M
9:26 | 9:26/mi
35K
3:05:17
21.75 mi
Rank: #18732 (+112)
21M → 35K
6:11 | 8:16/mi
23M
3:16:35
23.00 mi
Rank: #18722 (+10)
35K → 23M
11:18 | 9:02/mi
24M
3:25:16
24.00 mi
Rank: #18680 (+42)
23M → 24M
8:41 | 8:41/mi
40K
3:32:58
24.85 mi
Rank: #18662 (+18)
24M → 40K
7:42 | 9:01/mi
25.2M
3:36:14
25.20 mi
Rank: #18647 (+15)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:44:40
26.22 mi
Rank: #18559 (+88)
25.2M → FINISH
8:26 | 8:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:03
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:55:37
Pace8:50 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0725:288:1225:28
8:12
-
10K
6.21 mi11:38:5151:128:1525:44
8:17
+0:05
15K
9.32 mi12:04:361:16:578:1625:45
8:18
+0:01
20K
12.43 mi12:30:591:43:208:1926:23
8:30
+0:12
HALF
13.11 mi12:36:421:49:038:205:43
8:24
-0:06
25K
15.53 mi12:57:302:09:518:2220:48
8:35
+0:11
30K
18.64 mi13:25:002:37:218:2727:30
8:52
+0:17
20M
20.00 mi13:37:192:49:408:3012:19
9:05
+0:13
21M
21.00 mi13:46:452:59:068:329:26
9:26
+0:21
35K
21.75 mi13:52:563:05:178:326:11
8:16
-1:10
23M
23.00 mi14:04:143:16:358:3311:18
9:02
+0:46
24M
24.00 mi14:12:553:25:168:348:41
8:41
-0:21
40K
24.85 mi14:20:373:32:588:357:42
9:01
+0:20
25.2M
25.20 mi14:23:533:36:148:353:16
9:29
+0:28
FINISH
26.22 mi14:32:193:44:408:358:26
8:17
-1:12

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:12 /mi

Average Pace

8:35 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:08:21

84% of race

Time at Steady Pace

36:19

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:13:0725:288:1225:28
8:12
#18219
10K
6.21 mi11:38:5151:128:1525:44
8:17
#18647
15K
9.32 mi12:04:361:16:578:1625:45
8:18
#18740
20K
12.43 mi12:30:591:43:208:1926:23
8:30
#18851
HALF
13.11 mi12:36:421:49:038:205:43
8:24
#18890
25K
15.53 mi12:57:302:09:518:2220:48
8:35
#18898
30K
18.64 mi13:25:002:37:218:2727:30
8:52
#18839
20M
20.00 mi13:37:192:49:408:3012:19
9:05
#18871
21M
21.00 mi13:46:452:59:068:329:26
9:26
#18844
35K
21.75 mi13:52:563:05:178:326:11
8:16
#18732
23M
23.00 mi14:04:143:16:358:3311:18
9:02
#18722
24M
24.00 mi14:12:553:25:168:348:41
8:41
#18680
40K
24.85 mi14:20:373:32:588:357:42
9:01
#18662
25.2M
25.20 mi14:23:533:36:148:353:16
9:29
#18647
FINISH
26.22 mi14:32:193:44:408:358:26
8:17
#18559
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182196633663318920(Top 65%)6993(Top 56%)6993(Top 392%)
10K6.21 mi3.10 mi18647-4286855-2226855-22219078(Top 66%)7068(Top 56%)7068(Top 396%)
15K9.32 mi3.11 mi18740-936899-446899-4418920(Top 65%)6993(Top 56%)6993(Top 392%)
20K12.43 mi3.11 mi18851-1116975-766975-7619271(Top 66%)7227(Top 57%)7227(Top 405%)
HALF13.11 mi0.68 mi18890-396998-236998-2319579(Top 67%)7358(Top 58%)7358(Top 412%)
25K15.53 mi2.42 mi18898-87016-187016-1819049(Top 66%)7147(Top 57%)7147(Top 400%)
30K18.64 mi3.11 mi18839+597017-17017-118852(Top 65%)7131(Top 57%)7131(Top 399%)
20M20.00 mi1.36 mi18871-327048-317048-3119267(Top 66%)7415(Top 59%)7415(Top 415%)
21M21.00 mi1.00 mi18844+277054-67054-618237(Top 63%)6911(Top 55%)6911(Top 387%)
35K21.75 mi0.75 mi18732+1127000+547000+5416276(Top 56%)5922(Top 47%)5922(Top 332%)
23M23.00 mi1.25 mi18722+107017-177017-1718640(Top 64%)7294(Top 58%)7294(Top 408%)
24M24.00 mi1.00 mi18680+427011+67011+617944(Top 62%)6967(Top 55%)6967(Top 390%)
40K24.85 mi0.85 mi18662+187019-87019-818460(Top 64%)7293(Top 58%)7293(Top 408%)
25.2M25.20 mi0.35 mi18647+157013+67013+617250(Top 59%)6649(Top 53%)6649(Top 372%)
FINISH26.22 mi1.02 mi18559+886978+356978+3516917(Top 58%)6467(Top 51%)6467(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18920

Females

6993

F45-49

6993

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19078

Females

7068

F45-49

7068

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18920

Females

6993

F45-49

6993

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19271

Females

7227

F45-49

7227

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19579

Females

7358

F45-49

7358

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19049

Females

7147

F45-49

7147

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18852

Females

7131

F45-49

7131

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19267

Females

7415

F45-49

7415

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18237

Females

6911

F45-49

6911

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16276

Females

5922

F45-49

5922

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18640

Females

7294

F45-49

7294

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17944

Females

6967

F45-49

6967

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18460

Females

7293

F45-49

7293

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17250

Females

6649

F45-49

6649

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16917

Females

6467

F45-49

6467

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1429*
Passed By
1356
Net Change
-340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18219
5K → 10K124200-428#18219#18647
10K → 15K129200-93#18647#18740
15K → 20K128200-111#18740#18851
20K → HALF1756-39#18851#18890
HALF → 25K125133-8#18890#18898
25K → 30K216*157+59#18898#18839
30K → 20M83115-32#18839#18871
20M → 21M9770+27#18871#18844
21M → 35K12311+112#18844#18732
35K → 23M9282+10#18732#18722
23M → 24M8644+42#18722#18680
24M → 40K6547+18#18680#18662
40K → 25.2M3217+15#18662#18647
25.2M → FINISH11224+88#18647#18559
TOTALS1429*1356-340

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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